If a guy says “I’ll get back to you” is he not interested?

I’ve been seeing this guy for the past few weeks and the last time I saw him we slept together. Before I left he asked me my schedule and then said “let me know when you’re free for next weekend. I’m not sure what I’m doing next weekend though.” So 2 days later I tell him I’m free for Saturday and he goes, “I’ll get back to you about Saturday. Still seeing if I’m free on Saturday. I’ll update.” Should I take this as a rejection?

If a guy says “I’ll get back to you” is he not interested?
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